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Genus Tetraopes - Milkweed Longhorn Beetles

Red Milkweed Longhorn - Tetraopes tetrophthalmus Tetraopes femoratus? - Tetraopes femoratus MIlkweed Beetle on Milkweed - Tetraopes texanus Any ideas? - Tetraopes tetrophthalmus Tetraopes texanus Horn - Tetraopes texanus RM - Tetraopes tetrophthalmus Tetraopes pilosus Tetraopes melanurus? - Tetraopes melanurus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Cerambycidae (Longhorn Beetles)
Subfamily Lamiinae (Flat-faced Longhorn Beetles)
Tribe Tetraopini
Genus Tetraopes (Milkweed Longhorn Beetles)
Other Common Names
Red Milkweed Beetle, Milkweed Borer
Explanation of Names
Tetraopes Dalman in Schönherr 1817
'four-eye' (each compound eye subdivided)
14‒15 spp. in our area, 27 total(1)
see (2)(3)(4)(5)
Canada to Costa Rica; in our area, 3 spp. are eastern, the rest mostly western, with 7 restricted to sw. US(1)
Adults feed on leaves of milkweed (Asclepias); larvae feed externally on roots of host (root feeding is unique among Lamiinae). (6) • host plants: see (7) • summarized here (Quinn 2009)
Life Cycle
One generation per year
Works Cited
1.New World Cerambycidae Catalog
2.The Cerambycidae of North America, Part VII, No. 2: ... subfamily Lamiinae, tribes Acanthocinini through Hemilophini.
E. Gorton Linsley & John A. Chemsak. 1995. University of California Publications in Entomology 114: 1-292.
3.New species of the genus Tetraopes Schoenherr (Coleoptera: Cerambycidae)
J.A. Chemsak and F. A. Noguera. 2003. The Pan-Pacific Entomologist 79(3):237-244.
4.Taxonomy and bionomics of the genus Tetraopes (Cerambycidae: Coleoptera).
Chemsak, J.A. 1963. University of California Publications in Entomology 30(1): 1-90.
5.A new species of Tetraopes Schoenherr (Coleoptera: Cerambycidae)
F.W. Skillman, Jr. 2007. Insecta Mundi 0008: 1-3 .
6.The timing of insect/plant diversification: might Tetraopes (Col.: Cerambycidae) and Asclepias (Asclepiadaceae) have co-evolved?
Farrell B.D., Mitter C. 1998. Biol. J. Linn. Soc. 63: 553–577.
7.Evolutionary assembly of the milkweed fauna: cytochrome oxidase I and the age of Tetraopes beetles.
Farrell, B.D. . 2001. Molecular Phylogenetics and Evolution 18(3): 467–478.